adriangb commented on issue #15173:
URL: https://github.com/apache/datafusion/issues/15173#issuecomment-2858707706

   I'll point out that I was testing DuckDB and they have this very nice 
feature:
   
   ```
   D select filename, sum(row_count) as row_count from 
read_parquet('/Users/adriangb/Downloads/data2/**/*_stats.parquet', 
filename=true) group by filename order by row_count desc limit 10;
   Binder Error:
   Option filename adds column "filename", but a column with this name is also 
in the file. Try setting a different name: filename='<filename column name>'
   ```


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